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N4 PETERSy PHUTO-LIYMOGRAPHER. WASHINGTON D C `To all whom it 'may concern Be itknown that I, THOMAsSrEnRs, J r., of Richmond, in the county of `Henrico and State of Vin OF RICHMOND, VIRGINIA, ASSIGNOR TO ,y y y MULFORD, OF SAMEPLAOE. i

Leners Pawn; No. 105,381, zml .my 1e, 1ero.

IMPROVEMENTINAPPARATUS :e012 Drs'nLLrNG AND rzvarorurrnve- ExrRAcrs, sA- 1 LINE sor.U'r1o1vs,-'a D y The'Schedule referred tc in these Letters Patent and making part of the same.`

ginia, have invented a l new `and valuable Improve- `ment in Apparatus for Manufacturing Dye,` Saccharine Salts, or extracts of vegetable'substances; and I do hereby declare that the l following is a full, clear,

' and exact description of the construction and operation `of, thesame, reference being had to the anriexeddra'wmg making-a part of this specification,

` and tothe letters and tigures of reference marked thereon. 4 n n n Figure 1 of the drawing is a vertical section of my apparatusl l Figure 2 is a side elevation, and- `-Figure 3 is a plan view thereof. s

Qn the eighteenth day of June, in the Vyear one thousand eight hundred and sixty-six, this applicant,

whotwas then a temporary inhabitant of lifelbourne,` in the county of Iticlnnoml, 0anada East, obtained,

frointhe Province of Canada, Letters Patent for what was denominated therein a new and useful apparatus for manufacturing dye, saccharine salts, or extracts of vegetable substances, which said apparatus was and is the same in allrrespects as the device here- `in described, saving and excepting the pumps B and pipes A A and X, which said pumps and pipes` are intended to servefas improvements' upon, the apparatuspatented asA aforesaid.

A ofthe drawing represents a large vessel or evaporator, in which the liquor is` placed for manufacturing. l i l i ,n

l B B B represent pipes to admit steam from aboiler into the worms O 4O O, which said worms are arranged within the evaporator in the manner shown on lfig. 3. I arrange-"regulating cooks int-llese pipes B, respectvely, to govern the amount of steam to be admitted to the evaporator;

The worms C' arethreezin number.` `'lhey are `united together at their lower ends within the cxhaust-pipe D inl the bottom of the evaporator.

Theiletter a, represents a discharge-cock and pipe in the bottom of the evaporator, and

`.0, `a snpply-pipe in the side thereof.

E represents a` drum endome, securely fastened 'n1 thetopof the evaporator,"as shown, and

I is a pipe connecting said drum wit-hthe receiver next mentioned. i y

F represents the receiver, adj usted or arranged upon a platform ofthe framc,\as shown. ,n

This receiver is connected with the drum E by the lpipes which are arranged in the manuel' shown on fig. f 1, and marked n on thc drawing.

'Ihelet-t-er-ov represents a jet-pipe,l to admit steam from` thev boiler in the top ofthe suction-pipes, and thereby to create a draughtupward for the vapors in the evaporator.

VThe letterU represents a dome or crown of copper, which `-serves not only as a cover for the conV denser, but also as a means for condensing` the vapors therein. l

It will be observed that a anch, s, arises from and surrounds the top of the condenser, forming a circu.- lar dish around the bottom of the crown U.

I also arrange a bridge for a \vater-cock"over`the condenser, asshown on the drawing, and marked 1 1, and arrange therein a pipe-and water-cock, \V,in1 mediately above the, center of the crown U.

vThis arrmgement enables the operator to direct a stream of cold water upon the crown U at will, and thereby aid in condensing the vapors within the con-v denser.

A' A is'a pipe leading from thev condenser down'- ward to the pumps B', in the manner shown.

B represents two pumps, worked by an ordinary walking-beam, for the purpose of exhausting the air from .the vessels above described. n

`K represents a discharge-pipe lcadingfrom the bot 'tom of the condenser to a suitable tank, when its lower end is submerged in water.

Z represents a pipe leading from the bottom of the receiver to the evaporator, the object being to convey liquid from the receiver to the evaporator in case l of an overflow.

In the side of the evaporator Iusually aix a` gauge y anda thermometer, one of which is represented ou ligft by the letter O'. n

I also arrange a man-hole in the top of. said evaporator, with a sliding door properly secured'. This man-hole is marked It on the drawing.

Ihc letter 'I represents a rotating shaft, with abelt drum cuitsV upper end, and with vits lower end arranged in a suitable socket in thc bottom of the evap-` orator. rIhis shaft, below the suction-pipes, is made ina quadrangnlar form, to receive and operate vthe rake next ment-ioncd.`

'.lhe letter Lv represents a Heating rake, having a square opening in the center of its head, adapted to JOHN E.

t on the shaft T. This'rake is intended to Viioat on the surface of the liquid, and to rotate with the shaft, the object being to keep the liquid in motion, and thereby prevent the same from burning on the worms while in process of manufacture.

I claim aslmy invention- 1. The apparatus herein described, having evapomtor A, receiver F, condenser H, pipes E G A A K and Z, pumps B, worms O, suction-pipes n, jet 0,shaft T, and rake L, when constructed and arranged snbstantiaily as and for the purposes specified.

2. The copper crown U, in combination with the ,receiver F, bridge u, water-cock W, and ancb s, when constructed and arranged substantially as and for the purpose described.

3. The suction-pipes n, when arranged in the dome of an evaporator, as described, and combined with the jet-pipe o, as and for the purpose specified.

THOMAS STEERS, J 1:.

Witnesses:

Enw. I. MASI, D. D. KANE. 

